Return-Path: Received: from mtain-ma06.r1000.mx.aol.com (mtain-ma06.r1000.mx.aol.com [172.29.96.14]) by air-md05.mail.aol.com (v129.4) with ESMTP id MAILINMD053-8b864d794817318; Thu, 10 Mar 2011 16:52:23 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-ma06.r1000.mx.aol.com (Internet Inbound) with ESMTP id A6BEF3800005B; Thu, 10 Mar 2011 16:52:21 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Pxnlg-0001xn-L9 for rs_out_1@blacksheep.org; Thu, 10 Mar 2011 21:51:36 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Pxnlg-0001xe-92 for rsgb_lf_group@blacksheep.org; Thu, 10 Mar 2011 21:51:36 +0000 Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Pxnld-00020r-RG for rsgb_lf_group@blacksheep.org; Thu, 10 Mar 2011 21:51:36 +0000 Received: from ix.urz.uni-heidelberg.de (cyrus-portal.urz.uni-heidelberg.de [129.206.100.176]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p2ALpWfD025017 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 10 Mar 2011 22:51:33 +0100 Received: from extmail.urz.uni-heidelberg.de (extmail.urz.uni-heidelberg.de [129.206.100.140]) by ix.urz.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p2ALpW15010005 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 10 Mar 2011 22:51:32 +0100 Received: from [147.142.8.69] (vpn508-069.rzuser.uni-heidelberg.de [147.142.8.69]) by extmail.urz.uni-heidelberg.de (8.13.4/8.13.1) with ESMTP id p2ALpVvr030647 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 10 Mar 2011 22:51:32 +0100 Message-ID: <4D7947F2.40206@iup.uni-heidelberg.de> Date: Thu, 10 Mar 2011 22:51:46 +0100 From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4D793C04.3020600@freenet.de> In-Reply-To: <4D793C04.3020600@freenet.de> X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,NORMAL_HTTP_TO_IP=0.001,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: VLF Whistler activity Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=NORMAL_HTTP_TO_IP autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d600e4d79481416ac X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) Really impressing! Rather interesting than "real" radio! :-) I'm listensing since your mail appeared :-) Wolf, is it your remote RX via VHF? As long as i don't go out of the city by at least 2 km i do not think i would get such a clean spectrum... Do you use SpecLab as a part of this system? Is the "Paul Nicholson's hum filter" in use? 73, Stefan Am 10.03.2011 22:00, schrieb wolf_dl4yhf: > Greetings all, > > for some this will be 'old hat', or even boring because it hasn't got > anything to do with "making QSOs", but .. > > There is ongoing whistler activity on VLF at the moment. One whistler > every few seconds, besides sferics and tweeks. > > Here is a live audio stream from my E-field receiver: > http://67.207.143.181/vlf6.m3u > > and many more: > http://abelian.org/vlf/ > > It may be interesting to listen in tomorrow, just before sunrise, > there is the chance to hear a rare event from mother earth called > "dawn chorus" or "auroral chorus". > > 73, > Wolf DL4YHF . >